Buggy code:
public class HelperTests extends ExpressionTestCase { @ Test public void testFormatHelperForClassName ( ) { } @ Test public void testFormatHelperForMethod ( ) { } @ Test public void testUtilities ( ) throws ParseException { } @ Test public void testTypedValue ( ) { } @ Test public void testReflectionHelperCompareArguments_ExactMatching ( ) { } @ Test public void testReflectionHelperCompareArguments_CloseMatching ( ) { } @ Test public void testReflectionHelperCompareArguments_RequiresConversionMatching ( ) { } @ Test public void testReflectionHelperCompareArguments_NotAMatch ( ) { } @ Test public void testReflectionHelperCompareArguments_Varargs_ExactMatching ( ) { } @ Test public void testConvertArguments ( ) throws Exception { } @ Test public void testConvertArguments2 ( ) throws EvaluationException { StandardTypeConverter tc = new StandardTypeConverter ( ) ; Object [ ] args = new Object [ ] { 3 } ; ReflectionHelper . convertAllArguments ( new Class [ ] { String . class } , false , tc , args ) ; checkArguments ( args , "3" ) ; args = new Object [ ] { 3 , false , 3.0F } ; ReflectionHelper . convertAllArguments ( new Class [ ] { String . class , String [ ] . class } , true , tc , args ) ; checkArguments ( args , "3" , "false" , "3.0" ) ; args = new Object [ ] { 3 } ; ReflectionHelper . convertAllArguments ( new Class [ ] { String . class , String [ ] . class } , true , tc , args ) ; checkArguments ( args , "3" ) ; args = new Object [ ] { 3 , false , 3.0F } ; try { ReflectionHelper . convertAllArguments ( new Class [ ] { String . class , String [ ] . class } , true , null , args ) ; Assert . fail ( "Should<seq2seq4repair_space>have<seq2seq4repair_space>failed<seq2seq4repair_space>because<seq2seq4repair_space>no<seq2seq4repair_space>converter<seq2seq4repair_space>supplied" ) ; } catch ( SpelEvaluationException se ) { <START_BUG> Assert . assertEquals ( TYPE_CONVERSION_ERROR , se . getMessageUnformatted ( ) ) ; <END_BUG> } args = new Object [ ] { 3 , null , 3.0F } ; ReflectionHelper . convertAllArguments ( new Class [ ] { String . class , String [ ] . class } , true , tc , args ) ; checkArguments ( args , "3" , null , "3.0" ) ; } @ Test public void testSetupArguments ( ) { } @ Test public void testReflectivePropertyResolver ( ) throws Exception { } static class Tester { String property ; public int field = 3 ; public int field2 ; public int field3 = 0 ; String property2 ; String property3 = "doodoo" ; boolean property4 = false ; public String getProperty ( ) { } public void setProperty ( String value ) { } public void setProperty2 ( String value ) { } public String getProperty3 ( ) { } public boolean isProperty4 ( ) { } } static class Super { } static class Sub extends HelperTests . Super { } static class Unconvertable { } private void checkMatch ( Class [ ] inputTypes , Class [ ] expectedTypes , StandardTypeConverter typeConverter , ArgsMatchKind expectedMatchKind , int ... argsForConversion ) { } private void checkMatch2 ( Class [ ] inputTypes , Class [ ] expectedTypes , StandardTypeConverter typeConverter , ArgsMatchKind expectedMatchKind , int ... argsForConversion ) { } private void checkArguments ( Object [ ] args , Object ... expected ) { } private void checkArgument ( Object expected , Object actual ) { } }

Fix:
Assert . assertEquals ( TYPE_CONVERSION_ERROR , se . getMessageCode ( ) ) ;